Washington today, president Obama took a kind of victory lap. That deadline to sign up for obamacare arrived, passed, and more than 7 million Americans enrolled. It beat the goal the white house had set. The president declared that this health care law is here to stay. ABC's chief white house correspondent was in the rose garden and tells us what happened next. Reporter: In the rose garden today -- 7.1 million Americans have now signed up for pry vault insurance plans through these marketplaces. Reporter: It looked like a victory celebration and the beginning of a new campaign. The debate over repealing this law is over. The affordable care ability ct is here to stay. Reporter: A surge of signups around the country and online helped the white house exceed its own expectations. But while 7.1 million and counting have signed up, there are still big unanswered questions. How many signs up were previously uninsured. And how many signed up because their old plans were canceled? And how many are young and healthy? The white house made a big celebrity-studded pitch to get young people, because if not enough of them enroll, premiums will go up. All the celebrating here at the white house, republicans haven't backed off one bit. They argued again today that obamacare is killing jobs and causing premiums to rise. But Diane, in the four years since the affordable care ability passed, when it comes to health care, this is the best day that democrats have had. All right, thank you, Jonathan Karl on the lawn of the white house tonight.

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